Method of manufacturing decorative plastic eyeglass elements

摘要

A method of manufacturing decorative plastic eyeglass elements. The steps of the method comprise dyeing a certain portion of the surface of a plastic eyeglass element with dispersion dye as a first dyeing step, forming aggregated groove patterns comprising a plurality of minute grooves formed on a part of the dyed portion of the plastic elements, and as a second dyeing step, dyeing at least the part of the aggregated groove patterns with dispersion dye having a color which is different from the color of the dispersion dye used in the first dyeing step.